Base | Representation |
---|---|
bin | 100110010000… |
… | …0001110110100 |
3 | 1101201220020110 |
4 | 1030200032310 |
5 | 20113224324 |
6 | 1553503020 |
7 | 332315166 |
oct | 114401664 |
9 | 41656213 |
10 | 20054964 |
11 | 10358656 |
12 | 6871a70 |
13 | 4202457 |
14 | 2940936 |
15 | 1b62329 |
hex | 13203b4 |
20054964 has 24 divisors (see below), whose sum is σ = 47261088. Its totient is φ = 6618400.
The previous prime is 20054963. The next prime is 20054977. The reversal of 20054964 is 46945002.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20054963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062 + ... + 9485.
It is an arithmetic number, because the mean of its divisors is an integer number (1969212).
Almost surely, 220054964 is an apocalyptic number.
It is an amenable number.
20054964 is an abundant number, since it is smaller than the sum of its proper divisors (27206124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20054964 is a wasteful number, since it uses less digits than its factorization.
20054964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16655 (or 16653 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 20054964 is about 4478.2769007733. The cubic root of 20054964 is about 271.6901929684.
Adding to 20054964 its reverse (46945002), we get a palindrome (66999966).
The spelling of 20054964 in words is "twenty million, fifty-four thousand, nine hundred sixty-four".
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